mysql 安装mha 检查repl的时候报错，请大神指教

go_away_gui 2018-09-13 01:49:59

环境 : centos 7 mysql 5.7.23 mha mha4mysql-manager-0.56

安装MHA，执行检查repl的时候报错如下
[root@m65 app1]# masterha_check_repl --conf=/etc/mastermha/app1.cnf
Wed Sep 12 23:57:28 2018 - [warning] Global configuration file /etc/masterha_default.cnf not found. Skipping.
Wed Sep 12 23:57:28 2018 - [info] Reading application default configuration from /etc/mastermha/app1.cnf..
Wed Sep 12 23:57:28 2018 - [info] Reading server configuration from /etc/mastermha/app1.cnf..
Wed Sep 12 23:57:28 2018 - [info] MHA::MasterMonitor version 0.56.
Wed Sep 12 23:57:28 2018 - [error][/usr/share/perl5/vendor_perl/MHA/ServerManager.pm, ln301] install_driver(mysql) failed: Attempt to reload DBD/mysql.pm aborted.
Compilation failed in require at (eval 37) line 3.

at /usr/share/perl5/vendor_perl/MHA/DBHelper.pm line 205.
at /usr/share/perl5/vendor_perl/MHA/Server.pm line 166.
Wed Sep 12 23:57:28 2018 - [error][/usr/share/perl5/vendor_perl/MHA/ServerManager.pm, ln301] install_driver(mysql) failed: Attempt to reload DBD/mysql.pm aborted.
Compilation failed in require at (eval 37) line 3.

at /usr/share/perl5/vendor_perl/MHA/DBHelper.pm line 205.
at /usr/share/perl5/vendor_perl/MHA/Server.pm line 166.
Wed Sep 12 23:57:28 2018 - [error][/usr/share/perl5/vendor_perl/MHA/ServerManager.pm, ln301] install_driver(mysql) failed: Attempt to reload DBD/mysql.pm aborted.
Compilation failed in require at (eval 37) line 3.

at /usr/share/perl5/vendor_perl/MHA/DBHelper.pm line 205.
at /usr/share/perl5/vendor_perl/MHA/Server.pm line 166.
Wed Sep 12 23:57:29 2018 - [error][/usr/share/perl5/vendor_perl/MHA/ServerManager.pm, ln309] Got fatal error, stopping operations
Wed Sep 12 23:57:29 2018 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln424] Error happened on checking configurations. at /usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm line 326.
Wed Sep 12 23:57:29 2018 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln523] Error happened on monitoring servers.
Wed Sep 12 23:57:29 2018 - [info] Got exit code 1 (Not master dead).

MySQL Replication Health is NOT OK!

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